EP1423183A1 - Method for mixing a liquid/liquid and/or gaseous media into a solution - Google Patents

Method for mixing a liquid/liquid and/or gaseous media into a solution

Info

Publication number
EP1423183A1
EP1423183A1 EP02773996A EP02773996A EP1423183A1 EP 1423183 A1 EP1423183 A1 EP 1423183A1 EP 02773996 A EP02773996 A EP 02773996A EP 02773996 A EP02773996 A EP 02773996A EP 1423183 A1 EP1423183 A1 EP 1423183A1
Authority
EP
European Patent Office
Prior art keywords
chamber
liquid
conical member
converging
liquids
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02773996A
Other languages
German (de)
French (fr)
Other versions
EP1423183A4 (en
EP1423183B1 (en
Inventor
Paul Woodley
Weng Chuen Foong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
World Max Alliance Ltd
Original Assignee
World Max Alliance Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by World Max Alliance Ltd filed Critical World Max Alliance Ltd
Publication of EP1423183A1 publication Critical patent/EP1423183A1/en
Publication of EP1423183A4 publication Critical patent/EP1423183A4/en
Application granted granted Critical
Publication of EP1423183B1 publication Critical patent/EP1423183B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
    • B01F25/4323—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa using elements provided with a plurality of channels or using a plurality of tubes which can either be placed between common spaces or collectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4334—Mixers with a converging cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers

Definitions

  • the invention relates tp a method of mixing liquid/liquid and or gaseous
  • the method also requires the minimum use of energy to achieve the
  • Air flotation systems are used in almost every wastewater treatment process
  • the method described provides a system that is ultra efficient in
  • the invention relates to mechanical device with no moving parts that
  • a liquid media such as water requires to have a gaseous media such as air
  • a liquid media such as water has air or another gaseous media introduced
  • OCA Dynamic Converging Aspirator
  • the aerated liquid passes through the conduit ,(4) at very high velocity and
  • the liquid phase becomes completely saturated with very fine air or gaseous media bubbles in convergence zone (5).
  • the liquid/air (gaseous media) is made to rotate at ultra high speed.
  • conical sleeve (8) accelerates in rotation as it passes along and moves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Abstract

The invention relates to a mechanical device with no moving parts that homogeneously mixes two or more liquids or liquids and gases. It is possible with the device to totally saturate liquids with gas droplets of less than one micron. The device comprises an inlet for partially mixed components leading to a plurality of passageways converging axially into a chamber which has radial openings into another chamber defined by a conical member converging in the axial direction and having an opening at its apex to exit the mixed components, the components exiting the radial openings collide with the walls of the conical member producing shear and turbulence and subsequently spinning within the conical member and are then subjected to increased pressure in the axial direction by the converging walls of the conical member.

Description

METHOD FOR MIXING A LIQUID/LIQUID AND/OR GASEOUS MEDIA INTO A SOLUTION
FIELD OF THE INVENTION
The invention relates tp a method of mixing liquid/liquid and or gaseous
components together so as to prevent separation for the maximum period of
time. The method also requires the minimum use of energy to achieve the
desired results.
BACKGROUND OF THE INVENTION
It is the requirement of a number of industries to produce a liquid with
totally saturated gases, of major importance js the treatment of wastewater.
Air flotation systems are used in almost every wastewater treatment process
to separate and float away contaminants as sludge from the wastewater.
These systems are used by a wide variety of industries such as food
processing, catering, hotels, restaurants, petrochemical, industrial, mining
and the marine industries.
The production of liquids with totally saturated gas component is very
difficult, as a gas does not readily mix with a liquid to form a stable solution.
The method described provides a system that is ultra efficient in
incorporating a gas into a liquid with bubble sizes ranging from one to a
hundred microns whilst retaining low cost to manufacture and is ultra energy
efficient.
Examples of its uses are as follows but are not limited to these, removal of
emulsified oils and grease from water and wastewater is difficult and
requires very expensive centrifuge equipment which has limited capacities,
the system described can achieve improved results with greater flows at
significantly reduced capital and operating cost. Another example of its use
is the air flotation of flocculated waste components by very fine air bubbles
from a flow of wastewater, yet another example is the separation of fine
fiber particles from fruit juice by floating the fiber particles to the top
surface of a separation tank. BRIEF DISCUSSION OF THE INVENTION
The invention relates to mechanical device with no moving parts that
homogeneously mixes two or more liquids or alternatively Hquids and gases,
in the case of liquids and gases it is possible to totally saturate the liquid
with gas droplets of less than one micron, it is also possible to control the
bubble size by adjusting the gas flow rate, feed pressure to the unit and the
discharge pressure from the unit described to achieve the desired results.
DETAILED DESCRIPTION OF THE INVENTION REFER DRAWING Fie:l
A liquid media such as water requires to have a gaseous media such as air
thoughrly and Homogeneously, saturated and mixed into solution.
A liquid media such as water has air or another gaseous media introduced
which flows into the aerated inlet (1) at high pressure and enters the
distribution chamber (2) before entering two or more inlet conduits of the
Dynamic Converging Aspirator (OCA) (3).
The aerated liquid passes through the conduit ,(4) at very high velocity and
exists at the converging zone (5) where high shear and turbulence take place
in such a manner that significant particle reduction in the air or gaseous
media takes place in convergence zone (5).
The liquid phase becomes completely saturated with very fine air or gaseous media bubbles in convergence zone (5).
The saturated liquid/ air (gaseous media) exits the convergence zone (5)
through one or more tangential conduit (6), which are tangential to the
internal circumference of the converging zone (5).
The liquid/air (gaseous media) mixture which is still under high pressure
exits the one or more conduits (6) at ultra high velocity and passes to a
chamber (7) where on impact with the conical outer wall of the chamber (7)
the liquid/air (gaseous media) is made to rotate at ultra high speed.
This liquid/air (gaseous media) is under very high pressure as a result of the
reduction in area between the conical chamber (8) and the outer periphery of
the boss (9).
The liquid/air (gaseous media) which is now rotating at ultra high velocity in
conical sleeve (8) accelerates in rotation as it passes along and moves
towards the conical sleeve (8) outlet at point (10) where additional back
pressure is applied due to the reduction in area of the exist conduit (10) and
passes into the outlet chamber (11).
The result of this rapid rotational acceleration and pressure drop is to shear
the air (gaseous media) droplets and totally saturate the liquid phase with air
(gaseous media) droplets approaching microns in size and which is in a
totally homogenous mixture.

Claims

a body having a first and a second chamber, an nlet for partially mixed
passageways and a third chamber, the passageways converging axially in the direction comunication with the passageways, collide each other in the third chamber to produce shear and turbulance, the third chamber having radia-l openings in fluid communication with a fourth chamber located within the second chamber and defined by a conical member converging in the said axial direction and having a opening at its apex such that fluiL^^^ exiting / jβ the radial openings collide with the walls of the conical member producing further shear and turbulance and subsequently spinning within the fourth chamber and being subjected to increasing pressure forces in said axial direction by the converging walls of the conical member before entering the second chamber.
EP02773996A 2001-05-31 2002-05-22 Mixer for mixing a liquid/liquid and/or gaseous media into a solution Expired - Lifetime EP1423183B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPR536301 2001-05-31
AUPR5363A AUPR536301A0 (en) 2001-05-31 2001-05-31 Method of mixing a liquid/liquid and/or gaseous media into a solution
PCT/AU2002/000635 WO2002096542A1 (en) 2001-05-31 2002-05-22 Method for mixing a liquid/liquid and/or gaseous media into a solution

Publications (3)

Publication Number Publication Date
EP1423183A1 true EP1423183A1 (en) 2004-06-02
EP1423183A4 EP1423183A4 (en) 2007-04-18
EP1423183B1 EP1423183B1 (en) 2007-12-19

Family

ID=3829341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02773996A Expired - Lifetime EP1423183B1 (en) 2001-05-31 2002-05-22 Mixer for mixing a liquid/liquid and/or gaseous media into a solution

Country Status (9)

Country Link
US (1) US7281841B2 (en)
EP (1) EP1423183B1 (en)
JP (1) JP4174576B2 (en)
CN (1) CN100374187C (en)
AT (1) ATE381380T1 (en)
AU (2) AUPR536301A0 (en)
DE (1) DE60224204T2 (en)
ES (1) ES2299603T3 (en)
WO (1) WO2002096542A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101115548A (en) * 2004-12-08 2008-01-30 丹佛斯公司 Bubble-tolerant micro-mixers
US8715512B2 (en) * 2007-04-03 2014-05-06 Siemens Energy, Inc. Systems and methods for liquid separation
CN101491748B (en) * 2008-01-22 2012-04-18 沈雁 Mixing method and device of various liquid
WO2013017935A1 (en) * 2011-08-02 2013-02-07 Fmpb Co., Ltd. Device and method for saturating liquid with gas
US9010995B2 (en) * 2012-03-16 2015-04-21 Slack Chemical Co, Inc. Mixing apparatus and method
US20160265779A1 (en) * 2015-03-11 2016-09-15 General Electric Company Twin radial splitter-chevron mixer with converging throat
JP6129390B1 (en) * 2016-07-28 2017-05-17 株式会社カクイチ製作所 Nanobubble generating nozzle and nanobubble generating apparatus
CN109621597B (en) * 2019-01-25 2021-06-15 江苏师范大学 Air dust removal purification system
CN110773329B (en) * 2019-09-19 2020-09-01 中国矿业大学 Turbulent flow generating device suitable for micro-fine particle is selected separately fast
CN113041868B (en) * 2021-03-30 2023-03-31 苏州阿洛斯环境发生器有限公司 Preparation method and preparation device of liquid containing micro-nano bubbles
CN114262043B (en) * 2021-12-29 2024-02-09 威海丰泰新材料科技股份有限公司 Efficient gas-liquid blending sewage treatment method and device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1637697A (en) * 1927-03-07 1927-08-02 Duriron Co Mixing nozzle
FR929239A (en) * 1946-06-18 1947-12-19 Device for plastic presses allowing the mixing of the material during its heating
FR2355556A1 (en) * 1976-02-20 1978-01-20 Vlieger Jean Pierre De Static mixer for paints and plastic products - made of several identical elements screwed together having channels and mixing chambers
DE7733456U1 (en) * 1977-10-29 1978-05-11 Augustin, Wilfried, 2057 Reinbek STATIC MIXER
GB2079614A (en) * 1980-06-27 1982-01-27 Fiat Ricerche Static mixer device
US4340311A (en) * 1980-09-26 1982-07-20 Zebron Corporation Interfacial surface generator mixer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1924038A (en) * 1933-03-06 1933-08-22 Ind Patents Ltd Mixing device
US2528094A (en) * 1946-12-12 1950-10-31 Walker Process Equipment Inc Flow-energy mixing tank
US3261593A (en) * 1963-12-20 1966-07-19 Pennsalt Chemicals Corp Fluid mixing process and apparatus
US4606827A (en) * 1983-06-03 1986-08-19 Konishiroku Photo Industry Co., Ltd. Method for separating and recovering color developing agent
US4606822A (en) * 1984-11-01 1986-08-19 Miller Francis G Vortex chamber aerator
US5460449A (en) 1994-01-27 1995-10-24 Kent; J. Howard In-line mixer for dispersions
DE19517444C1 (en) * 1995-05-12 1996-01-18 Strate Maschf Device for aeration of waste water in activated sludge tank
WO1999033553A1 (en) * 1997-12-30 1999-07-08 Hirofumi Ohnari Swirling fine-bubble generator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1637697A (en) * 1927-03-07 1927-08-02 Duriron Co Mixing nozzle
FR929239A (en) * 1946-06-18 1947-12-19 Device for plastic presses allowing the mixing of the material during its heating
FR2355556A1 (en) * 1976-02-20 1978-01-20 Vlieger Jean Pierre De Static mixer for paints and plastic products - made of several identical elements screwed together having channels and mixing chambers
DE7733456U1 (en) * 1977-10-29 1978-05-11 Augustin, Wilfried, 2057 Reinbek STATIC MIXER
GB2079614A (en) * 1980-06-27 1982-01-27 Fiat Ricerche Static mixer device
US4340311A (en) * 1980-09-26 1982-07-20 Zebron Corporation Interfacial surface generator mixer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO02096542A1 *

Also Published As

Publication number Publication date
DE60224204T2 (en) 2008-12-11
US20040246814A1 (en) 2004-12-09
DE60224204D1 (en) 2008-01-31
EP1423183A4 (en) 2007-04-18
JP2004532117A (en) 2004-10-21
WO2002096542A1 (en) 2002-12-05
CN1463203A (en) 2003-12-24
AU2002308419C1 (en) 2004-07-08
CN100374187C (en) 2008-03-12
ES2299603T3 (en) 2008-06-01
ATE381380T1 (en) 2008-01-15
AU2002308419B2 (en) 2004-02-26
JP4174576B2 (en) 2008-11-05
AUPR536301A0 (en) 2001-06-28
US7281841B2 (en) 2007-10-16
EP1423183B1 (en) 2007-12-19

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